Update ticket custom fields

documented

Update values of ticket custom fields.

POST /api/1.1/json/ticket/{ticket_number}/update_custom_fields/Ticketsno implementation yet0 runs

Input

account_domain*

HappyFox account domain (e.g., acme.happyfox.com)

acme.happyfox.com

ticket_number*

Ticket number

12345

staff_id*

Agent staff ID performing the update

101

cf3_id*

Ticket custom field ID for CF3

cf3_value1

CF3 value option 1 (first selection)

cf3_value2

CF3 value option 2 (second selection)

cf1_id

Ticket custom field ID for CF1

cf1_value

CF1 text value

Example text

cf4_id

Ticket custom field ID for CF4

cf4_value

CF4 date value (YYYY-MM-DD)

2026-02-18

Calls happyfox as you (your API key is your account); keychains.dev holds the credentials.